The course is part of this learning path
In this course, we get to the bottom of what Java Web Services are and then move on to look at the various concepts related to them.
- Learn the basics of Java Web Services
- Understand the main concepts of Java Web Services
This course is intended for anyone who already has basic knowledge of Java and now wants to learn about Java EE 6.
Basic knowledge of Java programming.
Hello there. In this video, we will answer the question, what is a web service?
Let's begin. In life along with technology, new needs arise for people. For example, about 40 years ago, the number of computers used all over the world was very few and very few of the operations in daily life were done with computers. Then as the number of computers increased, operation began to be done with computers. In recent years, the number of online transactions with mobile phones or other devices has increased day-by-day. And today, each of us performs many of our transactions with computers, telephones or similar tools. Web service structure is the general name given to the system that provides us this convenience. A Web service is a set of open protocols and standards that allow data to be exchanged between different applications or systems. According to Wikipedia, a web service is defined as a service offered by an electronic device to another electronic device, communicating with each other via the web or a server running on a computer device listening for requests at a particular port over a network, serving web documents like HTML, JSON, XML or images.
In other words, web service is a standardized medium to propagate communication between the client and the server applications on the WWW, also known as the World Wide Web. A web service is a software module that is designed to perform a certain set of tasks. For instance, we can use a computer or a phone to follow the news that is maintained in the same database or our supervisor can use a phone to view the timing of our entries. Another example would be the ability to operate any electronic appliance in the house, such as the dishwasher or washing machine. This image shows us a very simplified view of how a web service truly functions. As you can see, a server provides us with data and any device can request any data from this database. We can access our news and photographs via a mobile app or website with the aid of a web service system. I hope you now have a better understanding of what a web service is. We could multiply examples, but I think the web service term is clear for you anymore. Now, there are two important concepts that you will come across while searching web service. These are SOAP and REST. Next video, we will examine these two concepts. See you in the next video.
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